-Seidentopf Binocular Head, Inclined at 30°, Interpupillary 55-75mm -Eyepiece: Wide Field Eyepiece EW10X/ 20 -Objective Infinite Plan Achromatic Objective 4X, 10X, 20X, 40X, 60X, 100X -Backward Quintuple Nosepiece -Double Layers Mechanical Stage 140X140mm/75X50mm -NA 1.25 Abbe Condenser with lris Diaphragm and Filter -Coaxial Coarse and Fine Adjustment, Moving Range 20mm, Fine Division 0.002mm -Kohler Illumination